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<div class="title">trap.c</div> </div>
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<a href="trap_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*-</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2002-2018 The UbixOS Project.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * This was developed by Christopher W. Olsen for the UbixOS Project.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification, are permitted</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * provided that the following conditions are met:</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * 1) Redistributions of source code must retain the above copyright notice, this list of</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * conditions, the following disclaimer and the list of authors.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * 2) Redistributions in binary form must reproduce the above copyright notice, this list of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * conditions, the following disclaimer and the list of authors in the documentation and/or</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * other materials provided with the distribution.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * 3) Neither the name of the UbixOS Project nor the names of its contributors may be used to</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * endorse or promote products derived from this software without specific prior written</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * permission.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="i386_2signal_8h.html">i386/signal.h</a>></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="trap_8h.html">sys/trap.h</a>></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <<a class="code" href="gdt_8h.html">sys/gdt.h</a>></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <<a class="code" href="sched_8h.html">ubixos/sched.h</a>></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <<a class="code" href="kprintf_8h.html">lib/kprintf.h</a>></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <<a class="code" href="vmm_8h.html">vmm/vmm.h</a>></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="code" href="endtask_8h.html">ubixos/endtask.h</a>></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="trap_8c.html#aefe0cea87f00996e61511690b95362aa"> 37</a></span> <span class="preprocessor">#define FIRST_TSS_ENTRY 6</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="trap_8c.html#a2967a70f08cf27f4ea79270553a45a0f"> 38</a></span> <span class="preprocessor">#define VM_MASK 0x00020000</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="trap_8c.html#ad26479cc84d63a1a560eff2799d77b90"> 40</a></span> <span class="preprocessor">#define store_TR(n) \</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"> __asm__("str %%ax\n\t" \</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"> "subl %2,%%eax\n\t" \</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"> "shrl $4,%%eax" \</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"> :"=a" (n) \</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"> :"0" (0),"i" (FIRST_TSS_ENTRY<<3))</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="trap_8c.html#ae4ebce0c29ce64d93c66271ccfb3555c"> 47</a></span> <span class="preprocessor">#define get_seg_long(seg,addr) ({ \</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor"> register unsigned long __res; \</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor"> __asm__("push %%fs;mov %%ax,%%fs;movl %%fs:%2,%%eax;pop %%fs" \</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"> :"=a" (__res):"0" (seg),"m" (*(addr))); \</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"> __res;})</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  </div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="trap_8c.html#a3ce3d7cb45f8ab8e423a59da88b9c29f"> 53</a></span> <span class="preprocessor">#define get_seg_byte(seg,addr) ({ \</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">register char __res; \</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">__asm__("push %%fs;mov %%ax,%%fs;movb %%fs:%2,%%al;pop %%fs" \</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"> :"=a" (__res):"0" (seg),"m" (*(addr))); \</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">__res;})</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="trap_8h.html#a62b4617f9a2800b1e9baf8d6f93835bd"> 59</a></span> <span class="keywordtype">void</span> <a class="code" href="trap_8c.html#a62b4617f9a2800b1e9baf8d6f93835bd">die_if_kernel</a>(<span class="keywordtype">char</span> *str, <span class="keyword">struct</span> <a class="code" href="structtrapframe.html">trapframe</a> *regs, <span class="keywordtype">long</span> err) {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> esp;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> ss;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *stack;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  esp = (<span class="keywordtype">unsigned</span> long) &regs-><a class="code" href="structtrapframe.html#acbc06b1642fabea71bfa8ddbba3ede44">tf_esp</a>;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  ss = 0x10; <span class="comment">//KERNEL_DS</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">//if ((regs->tf_eflags & VM_MASK) || (3 & regs->tf_cs) == 3)</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// return;</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  if ((regs-><a class="code" href="structtrapframe.html#a13dfa06d7f06bd0f2495fa57e5e957fd">tf_cs</a> & 3) == 3) {</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  esp = regs-><a class="code" href="structtrapframe.html#acbc06b1642fabea71bfa8ddbba3ede44">tf_esp</a>;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  ss = regs-><a class="code" href="structtrapframe.html#abfb070fe3681a0ccc49ea3bd62b24be7">tf_ss</a>;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"USER TASK!"</span>);</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  ss = 0x10;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  }</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"\n%s: 0x%X:%i, CPU %d, EIP: 0x%X, EFLAGS: 0x%X\n"</span>, str, regs-><a class="code" href="structtrapframe.html#a9e4fa072056d86cd7516e9445822ef34">tf_err</a>, regs-><a class="code" href="structtrapframe.html#ad22f14869aa03a440119420cd9d5017f">tf_trapno</a>, 0x0, regs-><a class="code" href="structtrapframe.html#a5d510dabbcd29cf981b17a4c08234c3b">tf_eip</a>, regs-><a class="code" href="structtrapframe.html#adafa69a2f56db6fef99c33bc17c947ba">tf_eflags</a>);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"eax: %08lx ebx: %08lx ecx: %08lx edx: %08lx\n"</span>, regs-><a class="code" href="structtrapframe.html#afb020a5162b2fe71f4f8fa641f7dd5f2">tf_eax</a>, regs-><a class="code" href="structtrapframe.html#a86b2120d33a523294045c7b137bff664">tf_ebx</a>, regs-><a class="code" href="structtrapframe.html#adb6f2caefa3b0fc4d33f7f3ed03e3a36">tf_ecx</a>, regs-><a class="code" href="structtrapframe.html#a4e14d725fc1185125f65d8812737c3d4">tf_edx</a>);</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"esi: %08lx edi: %08lx ebp: %08lx esp: %08lx\n"</span>, regs-><a class="code" href="structtrapframe.html#aadba6abdd3ec0afc7ac61ecbec42d2bc">tf_esi</a>, regs-><a class="code" href="structtrapframe.html#ab859bce7daebd16272a36cfcf03004bf">tf_edi</a>, regs-><a class="code" href="structtrapframe.html#a994aa3af57422c8b5b06e80baaa53ed3">tf_ebp</a>, esp);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"cs: 0x%X ds: 0x%X es: 0x%X fs: 0x%X gs: 0x%X ss: 0x%X\n"</span>, regs-><a class="code" href="structtrapframe.html#a13dfa06d7f06bd0f2495fa57e5e957fd">tf_cs</a>, regs-><a class="code" href="structtrapframe.html#abcc5a426a24512b99e1dd346a10df215">tf_ds</a>, regs-><a class="code" href="structtrapframe.html#a8d3e79fb11d18c0707d4d791d72abb36">tf_es</a>, regs-><a class="code" href="structtrapframe.html#a0f51b8660d4ae038cf4273208dde6320">tf_fs</a>, regs-><a class="code" href="structtrapframe.html#a8877cc21777e7b9feb19b2dc7440b636">tf_gs</a>, ss);</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"cr0: 0x%X, cr2: 0x%X, cr3: 0x%X, cr4: 0x%X\n"</span>, rcr0(), rcr2(), rcr3(), rcr4());</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="trap_8c.html#ad26479cc84d63a1a560eff2799d77b90">store_TR</a>(i);</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"Process %s (pid: %i, process nr: %d, stackpage=%08lx)\nStack:"</span>, <a class="code" href="armv6_2sched_8c.html#a54397bfe18d5da4d50ff03b15f540858">_current</a>-><a class="code" href="structtaskStruct.html#af9287e6221da3f32c0575426e6d7c8c5">name</a>, <a class="code" href="armv6_2sched_8c.html#a54397bfe18d5da4d50ff03b15f540858">_current</a>-><a class="code" href="structtaskStruct.html#a30966587a60db6b40c8be6c387e11d81">id</a>, 0xffff & i, esp);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  stack = (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *) esp;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">for</span> (i = 0; i < 16; i++) {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (i && ((i % 8) == 0))</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"\n "</span>);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"%08lx "</span>, <a class="code" href="trap_8c.html#ae4ebce0c29ce64d93c66271ccfb3555c">get_seg_long</a>(ss, stack++));</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="endtask_8h.html#a152c1859ada097cc21071f471bfa2e67">endTask</a>(<a class="code" href="armv6_2sched_8c.html#a54397bfe18d5da4d50ff03b15f540858">_current</a>-><a class="code" href="structtaskStruct.html#a30966587a60db6b40c8be6c387e11d81">id</a>);</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> }</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
<div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="trap_8h.html#a50e545f26a0fed346d9d0ed1d585cbfe"> 101</a></span> <span class="keywordtype">void</span> <a class="code" href="trap_8c.html#a5f98f53372b6ed5127fb064d1ede1743">trap</a>(<span class="keyword">struct</span> <a class="code" href="structtrapframe.html">trapframe</a> *frame) {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <a class="code" href="include_2sys_2types_8h.html#ac319c165d52643e43249fe003e18bdf3">u_int</a> trap_code;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="include_2sys_2types_8h.html#ac319c165d52643e43249fe003e18bdf3">u_int</a> cr2 = 0;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  trap_code = frame-><a class="code" href="structtrapframe.html#ad22f14869aa03a440119420cd9d5017f">tf_trapno</a>;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  </div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  cr2 = rcr2();</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"CR2: 0x%X(0x%X)[0x%X]"</span>, cr2, <a class="code" href="armv6_2sched_8c.html#a54397bfe18d5da4d50ff03b15f540858">_current</a>-><a class="code" href="structtaskStruct.html#a4c8accd7c0d5bb5ce426dc982bfc8519">tss</a>.<a class="code" href="structtssStruct.html#a3e758f2138799d63fc803f7e4db4f5b4">eip</a>, <a class="code" href="armv6_2sched_8c.html#a54397bfe18d5da4d50ff03b15f540858">_current</a>-><a class="code" href="structtaskStruct.html#a4c8accd7c0d5bb5ce426dc982bfc8519">tss</a>.<a class="code" href="structtssStruct.html#ad7b6a367e1c2a38e1ee6c8e5dad955f7">ldt</a>);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">if</span> (<a class="code" href="armv6_2sched_8c.html#a54397bfe18d5da4d50ff03b15f540858">_current</a>-><a class="code" href="structtaskStruct.html#a30966587a60db6b40c8be6c387e11d81">id</a> == 7)</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">while</span> (1)</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">asm</span>(<span class="stringliteral">"nop"</span>);</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  </div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span> ((frame-><a class="code" href="structtrapframe.html#adafa69a2f56db6fef99c33bc17c947ba">tf_eflags</a> & <a class="code" href="i386_2cpu_8h.html#a98c39d27d67812ede94f5038a3cef419">PSL_I</a>) == 0) {</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (<a class="code" href="gdt_8h.html#a6f509410b22ba7d33df9c9d6c8c6e9a5">SEL_GET_PL</a>(frame-><a class="code" href="structtrapframe.html#a13dfa06d7f06bd0f2495fa57e5e957fd">tf_cs</a>) == <a class="code" href="gdt_8h.html#ace58b790221d5655a214dadd230a9af2">SEL_PL_USER</a> || (frame-><a class="code" href="structtrapframe.html#adafa69a2f56db6fef99c33bc17c947ba">tf_eflags</a> & <a class="code" href="i386_2cpu_8h.html#aa3631c6b312a0753c8d31a74858d812f">PSL_VM</a>)) {</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="armv6_2kpanic_8c.html#adb9a182aa071791a306163d50d653deb">kpanic</a>(<span class="stringliteral">"INT OFF! USER"</span>);</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="trap_8c.html#a62b4617f9a2800b1e9baf8d6f93835bd">die_if_kernel</a>(<span class="stringliteral">"TEST"</span>, frame, 0x100);</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="armv6_2kpanic_8c.html#adb9a182aa071791a306163d50d653deb">kpanic</a>(<span class="stringliteral">"INT OFF! KERN[0x%X]"</span>, trap_code);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <a class="code" href="trap_8c.html#a62b4617f9a2800b1e9baf8d6f93835bd">die_if_kernel</a>(<span class="stringliteral">"TEST"</span>, frame, 0x200);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  </div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"trap_code: %i(0x%X), EIP: 0x%X, CR2: 0x%X\n"</span>, frame-><a class="code" href="structtrapframe.html#ad22f14869aa03a440119420cd9d5017f">tf_trapno</a>, frame-><a class="code" href="structtrapframe.html#ad22f14869aa03a440119420cd9d5017f">tf_trapno</a>, frame-><a class="code" href="structtrapframe.html#a5d510dabbcd29cf981b17a4c08234c3b">tf_eip</a>, cr2);</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span> (frame-><a class="code" href="structtrapframe.html#ad22f14869aa03a440119420cd9d5017f">tf_trapno</a> == 0xc) {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="paging_8h.html#aa1e1475b5bc5c935c2dfc9907c95bf96">vmm_pageFault</a>(frame, cr2);</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="armv6_2kpanic_8c.html#adb9a182aa071791a306163d50d653deb">kpanic</a>(<span class="stringliteral">"TRAPCODE"</span>);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="trap_8c.html#a62b4617f9a2800b1e9baf8d6f93835bd">die_if_kernel</a>(<span class="stringliteral">"trapCode"</span>, frame, frame-><a class="code" href="structtrapframe.html#ad22f14869aa03a440119420cd9d5017f">tf_trapno</a>);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="endtask_8h.html#a152c1859ada097cc21071f471bfa2e67">endTask</a>(<a class="code" href="armv6_2sched_8c.html#a54397bfe18d5da4d50ff03b15f540858">_current</a>-><a class="code" href="structtaskStruct.html#a30966587a60db6b40c8be6c387e11d81">id</a>);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="armv6_2sched_8c.html#a08933fe6d593a1c78b9080359f15a0b7">sched_yield</a>();</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> }</div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<div class="ttc" id="astructtrapframe_html_a8877cc21777e7b9feb19b2dc7440b636"><div class="ttname"><a href="structtrapframe.html#a8877cc21777e7b9feb19b2dc7440b636">trapframe::tf_gs</a></div><div class="ttdeci">int tf_gs</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00035">trap.h:35</a></div></div>
<div class="ttc" id="astructtrapframe_html_abcc5a426a24512b99e1dd346a10df215"><div class="ttname"><a href="structtrapframe.html#abcc5a426a24512b99e1dd346a10df215">trapframe::tf_ds</a></div><div class="ttdeci">int tf_ds</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00038">trap.h:38</a></div></div>
<div class="ttc" id="astructtrapframe_html_a5d510dabbcd29cf981b17a4c08234c3b"><div class="ttname"><a href="structtrapframe.html#a5d510dabbcd29cf981b17a4c08234c3b">trapframe::tf_eip</a></div><div class="ttdeci">int tf_eip</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00050">trap.h:50</a></div></div>
<div class="ttc" id="agdt_8h_html"><div class="ttname"><a href="gdt_8h.html">gdt.h</a></div></div>
<div class="ttc" id="astructtssStruct_html_a3e758f2138799d63fc803f7e4db4f5b4"><div class="ttname"><a href="structtssStruct.html#a3e758f2138799d63fc803f7e4db4f5b4">tssStruct::eip</a></div><div class="ttdeci">long eip</div><div class="ttdef"><b>Definition:</b> <a href="tss_8h_source.html#l00047">tss.h:47</a></div></div>
<div class="ttc" id="atrap_8h_html"><div class="ttname"><a href="trap_8h.html">trap.h</a></div></div>
<div class="ttc" id="astructtssStruct_html_ad7b6a367e1c2a38e1ee6c8e5dad955f7"><div class="ttname"><a href="structtssStruct.html#ad7b6a367e1c2a38e1ee6c8e5dad955f7">tssStruct::ldt</a></div><div class="ttdeci">short ldt</div><div class="ttdef"><b>Definition:</b> <a href="tss_8h_source.html#l00066">tss.h:66</a></div></div>
<div class="ttc" id="astructtrapframe_html_aadba6abdd3ec0afc7ac61ecbec42d2bc"><div class="ttname"><a href="structtrapframe.html#aadba6abdd3ec0afc7ac61ecbec42d2bc">trapframe::tf_esi</a></div><div class="ttdeci">int tf_esi</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00040">trap.h:40</a></div></div>
<div class="ttc" id="avmm_8h_html"><div class="ttname"><a href="vmm_8h.html">vmm.h</a></div></div>
<div class="ttc" id="astructtrapframe_html_a994aa3af57422c8b5b06e80baaa53ed3"><div class="ttname"><a href="structtrapframe.html#a994aa3af57422c8b5b06e80baaa53ed3">trapframe::tf_ebp</a></div><div class="ttdeci">int tf_ebp</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00041">trap.h:41</a></div></div>
<div class="ttc" id="aendtask_8h_html"><div class="ttname"><a href="endtask_8h.html">endtask.h</a></div></div>
<div class="ttc" id="astructtaskStruct_html_a4c8accd7c0d5bb5ce426dc982bfc8519"><div class="ttname"><a href="structtaskStruct.html#a4c8accd7c0d5bb5ce426dc982bfc8519">taskStruct::tss</a></div><div class="ttdeci">struct tssStruct tss</div><div class="ttdef"><b>Definition:</b> <a href="sched_8h_source.html#l00067">sched.h:67</a></div></div>
<div class="ttc" id="agdt_8h_html_ace58b790221d5655a214dadd230a9af2"><div class="ttname"><a href="gdt_8h.html#ace58b790221d5655a214dadd230a9af2">SEL_PL_USER</a></div><div class="ttdeci">#define SEL_PL_USER</div><div class="ttdef"><b>Definition:</b> <a href="gdt_8h_source.html#l00037">gdt.h:37</a></div></div>
<div class="ttc" id="asched_8h_html"><div class="ttname"><a href="sched_8h.html">sched.h</a></div></div>
<div class="ttc" id="aarmv6_2kpanic_8c_html_adb9a182aa071791a306163d50d653deb"><div class="ttname"><a href="armv6_2kpanic_8c.html#adb9a182aa071791a306163d50d653deb">kpanic</a></div><div class="ttdeci">void kpanic(const char *fmt,...)</div><div class="ttdoc">print panic message and halt system</div><div class="ttdef"><b>Definition:</b> <a href="armv6_2kpanic_8c_source.html#l00041">kpanic.c:41</a></div></div>
<div class="ttc" id="astructtrapframe_html_adafa69a2f56db6fef99c33bc17c947ba"><div class="ttname"><a href="structtrapframe.html#adafa69a2f56db6fef99c33bc17c947ba">trapframe::tf_eflags</a></div><div class="ttdeci">int tf_eflags</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00052">trap.h:52</a></div></div>
<div class="ttc" id="astructtrapframe_html_ad22f14869aa03a440119420cd9d5017f"><div class="ttname"><a href="structtrapframe.html#ad22f14869aa03a440119420cd9d5017f">trapframe::tf_trapno</a></div><div class="ttdeci">int tf_trapno</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00047">trap.h:47</a></div></div>
<div class="ttc" id="astructtrapframe_html_a8d3e79fb11d18c0707d4d791d72abb36"><div class="ttname"><a href="structtrapframe.html#a8d3e79fb11d18c0707d4d791d72abb36">trapframe::tf_es</a></div><div class="ttdeci">int tf_es</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00037">trap.h:37</a></div></div>
<div class="ttc" id="astructtaskStruct_html_a30966587a60db6b40c8be6c387e11d81"><div class="ttname"><a href="structtaskStruct.html#a30966587a60db6b40c8be6c387e11d81">taskStruct::id</a></div><div class="ttdeci">pidType id</div><div class="ttdef"><b>Definition:</b> <a href="sched_8h_source.html#l00063">sched.h:63</a></div></div>
<div class="ttc" id="astructtrapframe_html_a9e4fa072056d86cd7516e9445822ef34"><div class="ttname"><a href="structtrapframe.html#a9e4fa072056d86cd7516e9445822ef34">trapframe::tf_err</a></div><div class="ttdeci">int tf_err</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00049">trap.h:49</a></div></div>
<div class="ttc" id="astructtrapframe_html_afb020a5162b2fe71f4f8fa641f7dd5f2"><div class="ttname"><a href="structtrapframe.html#afb020a5162b2fe71f4f8fa641f7dd5f2">trapframe::tf_eax</a></div><div class="ttdeci">int tf_eax</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00046">trap.h:46</a></div></div>
<div class="ttc" id="akprintf_8h_html"><div class="ttname"><a href="kprintf_8h.html">kprintf.h</a></div></div>
<div class="ttc" id="agdt_8h_html_a6f509410b22ba7d33df9c9d6c8c6e9a5"><div class="ttname"><a href="gdt_8h.html#a6f509410b22ba7d33df9c9d6c8c6e9a5">SEL_GET_PL</a></div><div class="ttdeci">#define SEL_GET_PL(sel)</div><div class="ttdef"><b>Definition:</b> <a href="gdt_8h_source.html#l00032">gdt.h:32</a></div></div>
<div class="ttc" id="apaging_8h_html_aa1e1475b5bc5c935c2dfc9907c95bf96"><div class="ttname"><a href="paging_8h.html#aa1e1475b5bc5c935c2dfc9907c95bf96">vmm_pageFault</a></div><div class="ttdeci">void vmm_pageFault(struct trapframe *, uint32_t)</div><div class="ttdef"><b>Definition:</b> <a href="pagefault_8c_source.html#l00053">pagefault.c:53</a></div></div>
<div class="ttc" id="astructtrapframe_html_a0f51b8660d4ae038cf4273208dde6320"><div class="ttname"><a href="structtrapframe.html#a0f51b8660d4ae038cf4273208dde6320">trapframe::tf_fs</a></div><div class="ttdeci">int tf_fs</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00036">trap.h:36</a></div></div>
<div class="ttc" id="ai386_2cpu_8h_html_a98c39d27d67812ede94f5038a3cef419"><div class="ttname"><a href="i386_2cpu_8h.html#a98c39d27d67812ede94f5038a3cef419">PSL_I</a></div><div class="ttdeci">#define PSL_I</div><div class="ttdef"><b>Definition:</b> <a href="i386_2cpu_8h_source.html#l00043">cpu.h:43</a></div></div>
<div class="ttc" id="astructtrapframe_html_adb6f2caefa3b0fc4d33f7f3ed03e3a36"><div class="ttname"><a href="structtrapframe.html#adb6f2caefa3b0fc4d33f7f3ed03e3a36">trapframe::tf_ecx</a></div><div class="ttdeci">int tf_ecx</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00045">trap.h:45</a></div></div>
<div class="ttc" id="astructtrapframe_html"><div class="ttname"><a href="structtrapframe.html">trapframe</a></div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00034">trap.h:34</a></div></div>
<div class="ttc" id="aendtask_8h_html_a152c1859ada097cc21071f471bfa2e67"><div class="ttname"><a href="endtask_8h.html#a152c1859ada097cc21071f471bfa2e67">endTask</a></div><div class="ttdeci">void endTask(pidType)</div><div class="ttdef"><b>Definition:</b> <a href="endtask_8c_source.html#l00044">endtask.c:44</a></div></div>
<div class="ttc" id="atrap_8c_html_a5f98f53372b6ed5127fb064d1ede1743"><div class="ttname"><a href="trap_8c.html#a5f98f53372b6ed5127fb064d1ede1743">trap</a></div><div class="ttdeci">void trap(struct trapframe *frame)</div><div class="ttdef"><b>Definition:</b> <a href="trap_8c_source.html#l00101">trap.c:101</a></div></div>
<div class="ttc" id="astructtaskStruct_html_af9287e6221da3f32c0575426e6d7c8c5"><div class="ttname"><a href="structtaskStruct.html#af9287e6221da3f32c0575426e6d7c8c5">taskStruct::name</a></div><div class="ttdeci">char name[256]</div><div class="ttdef"><b>Definition:</b> <a href="sched_8h_source.html#l00064">sched.h:64</a></div></div>
<div class="ttc" id="atrap_8c_html_ad26479cc84d63a1a560eff2799d77b90"><div class="ttname"><a href="trap_8c.html#ad26479cc84d63a1a560eff2799d77b90">store_TR</a></div><div class="ttdeci">#define store_TR(n)</div><div class="ttdef"><b>Definition:</b> <a href="trap_8c_source.html#l00040">trap.c:40</a></div></div>
<div class="ttc" id="aarmv6_2sched_8c_html_a54397bfe18d5da4d50ff03b15f540858"><div class="ttname"><a href="armv6_2sched_8c.html#a54397bfe18d5da4d50ff03b15f540858">_current</a></div><div class="ttdeci">kTask_t * _current</div><div class="ttdef"><b>Definition:</b> <a href="armv6_2sched_8c_source.html#l00050">sched.c:50</a></div></div>
<div class="ttc" id="atrap_8c_html_a62b4617f9a2800b1e9baf8d6f93835bd"><div class="ttname"><a href="trap_8c.html#a62b4617f9a2800b1e9baf8d6f93835bd">die_if_kernel</a></div><div class="ttdeci">void die_if_kernel(char *str, struct trapframe *regs, long err)</div><div class="ttdef"><b>Definition:</b> <a href="trap_8c_source.html#l00059">trap.c:59</a></div></div>
<div class="ttc" id="astructtrapframe_html_abfb070fe3681a0ccc49ea3bd62b24be7"><div class="ttname"><a href="structtrapframe.html#abfb070fe3681a0ccc49ea3bd62b24be7">trapframe::tf_ss</a></div><div class="ttdeci">int tf_ss</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00055">trap.h:55</a></div></div>
<div class="ttc" id="astructtrapframe_html_acbc06b1642fabea71bfa8ddbba3ede44"><div class="ttname"><a href="structtrapframe.html#acbc06b1642fabea71bfa8ddbba3ede44">trapframe::tf_esp</a></div><div class="ttdeci">int tf_esp</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00054">trap.h:54</a></div></div>
<div class="ttc" id="astructtrapframe_html_a4e14d725fc1185125f65d8812737c3d4"><div class="ttname"><a href="structtrapframe.html#a4e14d725fc1185125f65d8812737c3d4">trapframe::tf_edx</a></div><div class="ttdeci">int tf_edx</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00044">trap.h:44</a></div></div>
<div class="ttc" id="akprintf_8h_html_a20b56810edb62a6fe59917015c30848f"><div class="ttname"><a href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a></div><div class="ttdeci">int kprintf(const char *,...)</div><div class="ttdef"><b>Definition:</b> <a href="kprintf_8c_source.html#l00259">kprintf.c:259</a></div></div>
<div class="ttc" id="ai386_2cpu_8h_html_aa3631c6b312a0753c8d31a74858d812f"><div class="ttname"><a href="i386_2cpu_8h.html#aa3631c6b312a0753c8d31a74858d812f">PSL_VM</a></div><div class="ttdeci">#define PSL_VM</div><div class="ttdef"><b>Definition:</b> <a href="i386_2cpu_8h_source.html#l00049">cpu.h:49</a></div></div>
<div class="ttc" id="ainclude_2sys_2types_8h_html_ac319c165d52643e43249fe003e18bdf3"><div class="ttname"><a href="include_2sys_2types_8h.html#ac319c165d52643e43249fe003e18bdf3">u_int</a></div><div class="ttdeci">unsigned int u_int</div><div class="ttdef"><b>Definition:</b> <a href="include_2sys_2types_8h_source.html#l00072">types.h:72</a></div></div>
<div class="ttc" id="astructtrapframe_html_ab859bce7daebd16272a36cfcf03004bf"><div class="ttname"><a href="structtrapframe.html#ab859bce7daebd16272a36cfcf03004bf">trapframe::tf_edi</a></div><div class="ttdeci">int tf_edi</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00039">trap.h:39</a></div></div>
<div class="ttc" id="atrap_8c_html_ae4ebce0c29ce64d93c66271ccfb3555c"><div class="ttname"><a href="trap_8c.html#ae4ebce0c29ce64d93c66271ccfb3555c">get_seg_long</a></div><div class="ttdeci">#define get_seg_long(seg, addr)</div><div class="ttdef"><b>Definition:</b> <a href="trap_8c_source.html#l00047">trap.c:47</a></div></div>
<div class="ttc" id="astructtrapframe_html_a13dfa06d7f06bd0f2495fa57e5e957fd"><div class="ttname"><a href="structtrapframe.html#a13dfa06d7f06bd0f2495fa57e5e957fd">trapframe::tf_cs</a></div><div class="ttdeci">int tf_cs</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00051">trap.h:51</a></div></div>
<div class="ttc" id="ai386_2signal_8h_html"><div class="ttname"><a href="i386_2signal_8h.html">signal.h</a></div></div>
<div class="ttc" id="aarmv6_2sched_8c_html_a08933fe6d593a1c78b9080359f15a0b7"><div class="ttname"><a href="armv6_2sched_8c.html#a08933fe6d593a1c78b9080359f15a0b7">sched_yield</a></div><div class="ttdeci">void sched_yield()</div><div class="ttdef"><b>Definition:</b> <a href="armv6_2sched_8c_source.html#l00244">sched.c:244</a></div></div>
<div class="ttc" id="astructtrapframe_html_a86b2120d33a523294045c7b137bff664"><div class="ttname"><a href="structtrapframe.html#a86b2120d33a523294045c7b137bff664">trapframe::tf_ebx</a></div><div class="ttdeci">int tf_ebx</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00043">trap.h:43</a></div></div>
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